Hi-
I believe the data is on a curvilinear grid. Is there a coordinates
attribute on the variable
yes? show attribute/all temp
or whatever the variable name is. Using one coastal model file I
happen to know of, It might look like this
yes? sh att/all temp
attributes for dataset:
http://omglnx1.meas.ncsu.edu:8080/thredds/dodsC/gomtox/2008/his
temp.long_name = potential temperature
temp.units = Celsius
temp.time = ocean_time
temp.coordinates = lat_rho lon_rho
temp._FillValue = 0
Then, use the curvilinear form of the plot command,
yes? fill temp, lon_rho, lat_rho
Once you have plotted the variable with its curvilinear coordinate
variables, then the plot axes will be in degrees and scripts such as
"go land", "go land_detail", or "go fland" will work correctly.
Often in these model datsets there are one mor more land mask
variables, which will be on the same grid and have the same
resolution as the data. In the dataset I am looking at here, there
is a variable "mask_rho". Plot these to see how they're set up.
This one has 1 where there is ocean and 0 over land. So I can do
this:
yes? let land_mask = if mask_rho eq 0 then 1
yes? shade/over/nolabel/palette=black land_mask, lon_rho,
lat_rho
Ansley
On 8/12/2011 8:52 AM, Mahesh Shinde wrote:
Dear Ferret users,
I am analysing ROMS results. I have following doubts.
(1) How to plot coastline for the Mediterranean basin ?
(2) How to go to land and shade it ?
(3) How can I convert distance to degree ?
here I am attached eps file.
Thanking you
regards
mahesh
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(Permanent Affiliaiton)
Mr. Mahesh Shinde
Climate and Global
Modeling Division,
Indian Institute of
Tropical Meteorology,
NCL POST, Dr. Homi
Bhabha Road,
Pashan, Pune-411008,
INDIA
email: samurai@xxxxxxxxxxxxxx
cell: +91-9822050959
skype : mshinde2k9
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